Cylindrical grinding machine

Erwin Junker BUAJ BN29C

Erwin Junker BUAJ BN29C CNC Universal Cylindrical Grinder

Excellent condition
Can be viewed underpower and demonstrating if you wish to visit.
Year 1998
Fanuc series 35i CNC Control
Weight 2800kgs
Dimensions approx 3000mm x 1850mm x 1800mm


Specification -
Distance between centres - 800mm
Centre table clearance 150mm
Work piece weight between centres, max 120kg
Machine working capacity IT4 ISO

Wheelhead
Grinding wheel, max diameter - 400mm
Grinding wheel, max, width - 63mm
Grinding wheel, clamping diameter - 127mm
Motor power - 5.5kW
Grinding wheel, max. peripheral speed - 45m/s
Wheel head, path of adjustment - 300mm
Wheel head, adjustment angle - +45°/-15°

Workhead
Spindle taper - MK5
Spindle, stepless speed control - 23-291 or 56- 700rpm
Work head, adjustment angle - 90°

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Tailstock
Taper - MK4
Tailstock barrel, stroke 30mm
Taper ratio, fine adjustment +/-0.15mm

Longitudinal feed
Table travel 756mm
Table, working travel speed 0÷7.5m/min
Top table, swiveling +/8°30